<template lang="html">
  <div class="editor">
    <div ref="editor" class="textNeirong" />
  </div>
</template>

<script>
import E from 'wangeditor'
import { UPLOAD_URL } from '@/env'

export default {
  name: 'Editoritem',

  model: {
    prop: 'value',
    event: 'change'
  },

  props: {
    value: {
      type: String,
      default: ''
    },

    isClear: {
      type: Boolean,
      default: false
    }
  },

  data() {
    return {
      UPLOAD_URL,
      editor: null,

      info_: null
    }
  },

  watch: {
    isClear(val) {
      if (val) {
        this.editor.txt.clear()
        this.info_ = null
      }
    },

    // value为编辑框输入的内容，这里我监听了一下值，当父组件调用得时候，如果给value赋值了，子组件将会显示父组件赋给的值
    value: function(value) {
      if (value !== this.editor.txt.html()) {
        this.editor.txt.html(this.value)
      }
    }
  },

  mounted() {
    this.seteditor()
    this.editor.txt.html(this.value)
  },

  methods: {

    seteditor() {
      this.editor = new E(this.$refs.editor)
      this.editor.config.uploadImgShowBase64 = true // base 64 存储图片
      this.editor.config.uploadImgServer = this.UPLOAD_URL// 填写配置服务器端地址
      //   this.editor.config.uploadImgHeaders = { 'Authorization': this.token } // 自定义 header
      this.editor.config.uploadFileName = 'image' // 后端接受上传文件的参数名
      this.editor.config.uploadImgMaxSize = 8 * 1024 * 1024 // 将图片大小限制为 2M
      this.editor.config.uploadImgMaxLength = 6 // 限制一次最多上传 6 张图片
      this.editor.config.uploadImgTimeout = 3 * 60 * 1000 // 设置超时时间

      // 自定义 onchange 触发的延迟时间，默认为 200 ms
      this.editor.config.onchangeTimeout = 1000 // 单位 ms

      this.editor.config.onchange = (html) => {
        this.info_ = html // 绑定当前逐渐地值
        this.$emit('change', this.info_) // 将内容同步到父组件中
      }

      // 创建富文本编辑器
      this.editor.create()
      this.editor.config.uploadImgHooks = {
        fail: (xhr, editor, result) => {
          // 插入图片失败回调
        },
        success: (xhr, editor, result) => {
          // 图片上传成功回调
        },

        timeout: (xhr, editor) => {
          // 网络超时的回调
        },

        error: (xhr, editor) => {
          // 图片上传错误的回调
        },

        customInsert: (insertImg, result, editor) => {
          // 循环插入图片
          const url = result.data.path
          insertImg(url)
        }
      }
    }

  }

}

</script>

<style lang="scss">
    .editor {
        width: 100%;
        margin: auto;
        position: relative;
    }
    .w-e-toolbar{
      z-index: 901 !important;
    }
    .w-e-text-container {
      z-index: 900 !important;
    }
</style>
